Как вывести из текстового файла нужные строки?

@echo off
  setlocal enabledelayedexpansion
    chcp 1251>nul
    sort /+2147483647 input.txt>>top.tmp
    3<top.tmp (
      set /p d=<&3
      set /p s=<&3
    )
    echo:!s!>output.txt
    echo:!d!>>output.txt
    del /f /q top.tmp
  endlocal&chcp 866>nul
exit /b

@echo off
set "f_in=file_in.txt"
set "f_out=file_out.txt"
<"%f_in%">"%f_out%" (find /c /v ""|set/p s=^& set/a s-=2|set/p ns=^& <"%f_in%" cmd/v/c more +!ns!)
exit

@echo off
setlocal enabledelayedexpansion
set "f=file_in.txt"
<"%f%">"new.txt" sort/+2147483647
set "x=^-*\>" &: маска тега
<"new.txt" (for /f "delims=:" %%a in ('more^|findstr/rn /c:"%x%"') do @set/a n+=1& set "v!n!=%%a"& set/a nd=v1+1& set/a kd=v2-1) &: v1 и v2 между первым и вторым
<"new.txt">$ (for /f "tokens=2 delims=[]" %%a in ('"for /l %%a in (%nd%,1,%kd%) do @find /n /v ""|find "[%%a]""') do @echo %%a)
<$>"new.txt" (sort/+2147483647)& del $
exit/b

@echo off
setlocal enabledelayedexpansion
set "f=file.txt"
set "mteg=^-*$"
<"%f%" (for /f "delims=:" %%a in ('more^|findstr/rn "%mteg%"') do set/a n+=1& set "ns_%%a=!n!")
for /f "tokens=2* delims==_" %%a in ('set ns_') do set/a n1=n-1& (if %%b==%n% set/a kd=%%a)& (if %%b==!n1! set/a nd=%%a)
<"%f%">"new.txt" (for /f "tokens=2 delims=[]" %%a in ('"for /l %%a in (%nd%,1,%kd%) do @find /n /v ""|find "[%%a]""') do @echo:%%a)
exit

@echo off
setlocal enabledelayedexpansion
set "f=file.txt"
set "mteg=^-*$"
<"%f%" (for /f "delims=:" %%a in ('more^|findstr/rn "%mteg%"') do set/a n+=1& set "ns_%%a=!n!")
for /f "tokens=2* delims==_" %%a in ('set ns_') do set/a n1=n-1& (if %%b==%n% set/a kd=%%a-1)& (if %%b==!n1! set/a nd=%%a+1)
<"%f%">"new.txt" (for /f "tokens=2 delims=[]" %%a in ('"for /l %%a in (%nd%,1,%kd%) do @find /n /v ""|find "[%%a]""') do @echo:%%a)
exit

@echo off
set "f=file.txt"
set "mteg=^-*$"
setlocal enabledelayedexpansion
<"%f%" (for /f "delims=:" %%a in ('more^|findstr/n "%mteg%"') do @set/a n+=1, n_=n-1& set N!n!=%%a)& set/a nd=N!n_!+1, kd=N!n!-1
setlocal disabledelayedexpansion
<"%f%">"new.txt" (for /f "delims=" %%a in ('"for /l %%a in (%nd%,1,%kd%) do @find /n /v ""|find "[%%a]""') do @set "s=%%a"& cmd/v/c echo[!s:*]^^=!)
exit